Update get-started.markdown
Update get-started.markdown

1. Updated link to deprecation notice. This was pointing to the preview page.
2. Updated link to JSON schemas.
concur/developer.concur.com,HeathH-Concur/developer.concur.com,concur/developer.concur.com,bhague1281/developer.concur.com,bhague1281/developer.concur.com,concur/developer.concur.com,bhague1281/developer.concur.com,sarraloew/developer.concur.com,sarraloew/developer.concur.com,sarraloew/developer.concur.com,HeathH-Concur/developer.concur.com,sarraloew/developer.concur.com,bhague1281/developer.concur.com,concur/developer.concur.com,sarraloew/developer.concur.com,concur/developer.concur.com,HeathH-Concur/developer.concur.com,bhague1281/developer.concur.com,HeathH-Concur/developer.concur.com,HeathH-Concur/developer.concur.com